3. Determine the net force acting on the object above.
a. 1000 N
c. 200N, up
b. 200N, down
d. 1000 N, to the left

An artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is 6.03 m/s^2. determine the orbital period of the satellite.

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

Why does lightning travel from clouds to the ground?